<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>单元格合并</title>
</head>
<body>
  <table border="1" align="center">
    <tr>
      <!-- 1、
        列合并 colspan="3" 合并三列
        行合并 rowspan="3" 合并三行
        合并谁就删谁
      
      -->
      <td colspan="3">11</td>
      <td>14</td>
      <td>15</td>
      <td>16</td>
    </tr>
    <tr>
      <td>21</td>
      <td rowspan="2">22</td>
      <td>23</td>
      <td colspan="3" rowspan="3">24</td>
      <!-- <td>25</td>
      <td>26</td> -->
    </tr>
    <tr>
      <td>31</td>
      <td>33</td>
      <!-- <td>34</td>
      <td>35</td>
      <td>36</td> -->
    </tr>
  </table>
  
</body>
</html>